Process of uniting or matting fibers together.



UNITED STATES Patented April 26, I904.

PATENT. OFFICE.

GUSTAV GOLDMAN; BALTIINTORE,M'ARYLAND.

PROCESS OF LlNlTlNG QR lVlATTlNG FIBERS TOGETHER.

SPECIFICATION forming part of Letters Patent No. 758,245, dated April 26, 1904.

Application filed November 28, 1903.

To all whom, it may concern.-

Be it known that I, GUsrAv GOLDMAN, a resident of Baltimore, Maryland, have invented a new and useful Process of Uniting or Matting Fibers Together, which invention is fully set forth in the following specification.

The present invention relates to the art of binding fibers together in a matted mass.

In my application Serial No. 174,815, filed September 26, 1903, I have described a process of binding fibers together by the introduction between the fibers of aplurality of substances in dry finely-divided form, which substances when properly treated will be caused to combine and form an insoluble soap which acts to bind the fibers together, and in an application executed and filed of even date herewith I have described a process of binding fibers together which consists in introducing among the fibers resin in dry and finely-divided form, either alone or tempered by the introduction of suitable substances for reducing its brittleness, such as soap, and subsequently treating the same in order to convert it into an active binder for the fibers.

The present invention consists in the employment as a binder of a compound made from a resin by fusing with a suitable metallic base, such as an oxid or hydrate, the resin and the metallic base being introduced between the fibers in a dry finely-divided form and then treated by heat, so as to cause the reaction between the resin and the metallic base, and con sequent formation of the resinate within the mass of fibers. The finely-divided resin and the metallic base may be separately introduced between the fibers, or the resin and metallic base may be mechanically mixed and this mixture introduced in a dry finely-divided state between the fibers and the union of the resin and the base then brought about by suitable means, such as heat. It is not essential in the practice of the invention that the proportionate parts of the resin and the metallic base should be such as to form perfect chemical equivalents, as there may be, if desired, an excess of the resin or an excess of the metallic base without departing from the spirit of the invention. The specific method which has been Serial No. 183,057. (No specimens.)

found to give most satisfactory results consists in mixing in the desired proportions finely-divided resin and zinc oxid, also finely divided, and this mechanical mixture is introduced in a dry condition between the fibers in any suitable manner, preferably by dusting the same upon the fibers when the latter are in a loose or fluflfy condition, and then subjecting the mass of fibers, with the mixture dusted thereamong, to the action of heat and of pressure, the heat being supplied by passing the fibers between heated rollers,either in the presence of moisture or not, as the nature of the fiber under treatment makes most desirable. The result of this operation is to form in the mass of the fibers a Zinc resinate which serves as an active and efiicient binder to hold the fibers together in a matted mass. It will be understood that thepressure can either be applied simultaneously with the application of the heat or be subsequent to the heating or fusing operation. Preferably, however, the application'of the heat and the pressure are simultaneous, being obtained by passing the mass of fibers between heated rollers, which serve not only to fuse the binding agent, but also to subject the matted mass of fibers to the desired pressure. The compactness of the mass of fibers thus treated will depend largely upon the degree of pressure to which they are subjected in this operation, a considerable amount of pressure being applied when the matted mass is desired to be of a compact form and less pressure being applied when the matted mass is desired to be less compact.

' The particular characteristic of fibers treated by this process is immaterial so far as the present invention is concerned, as it is applicable to the treatment of either animal, vegetable, or mineral fibers or to any suitable or desired mixture of these.

When treating animal fibers or mixtures containing any considerable proportion of animal fibers, it has been found advantageous to supply the heat for fusing the binder in the presence of moisture, and this is particulary true where a light springy resilient mass of fibers is desired. This is accomplished by placing the fibers, with the finely divided moisture.

binder among them, between belts, one or both of which'is a moisture-carrying belt, and then passing the whole between heated rollers. The heat of the rollers servesto convert the moisture of the belt or belts into steam, which penetrates the mass of the fibers and serves as a vehicle for the introduction of heat. When treating vegetable fibers, such as cotton, the process should be practiced without.

the introduction of moisture,unless it is desired to unite the fibers in a compact non-resilient mass.

While the binding materials are herein described and claimed as being in a dry condition, it is not meant thereby to state that said binding materials are in a condition wholly and positively free from all traces of It is sufficient for the purposes of this invention if the binding materials be so far free from moisture as to permit them to be introduced between the fibers in a finelydivided form.

What is claimed is 1.- The process of binding fibers together which consists in introducing between the fibers a resin and a metallic oxid and then converting said resin and oxid into a resinate binding agent for the fibers.

2. The process of binding fibers together which consists in introducing between the fibers a resin and a metallic oxid in a dry finelydivided form, and then converting said resin and oxid into a resinate binding agent for the fibers.

3. The process of binding fibers together which consists in introducing a resin and a metallic oxid in a dry finely-divided form between the fibers, and then treating said resin and oxid with heat, thereby forming a resin' ate which actively binds the fibers together.

4. The process of binding fibers together which consists in introducing a resin and a metallic oxid in dry finely-divided form between the fibers, and then treating said resin and oxid with heat and with pressure, whereby a resinate is formed which actively binds the fibers together.

5. The process of binding fibers together which consists in introducing a resin and a metallic oxid in dry finely-divided form between the fibers, and then subjecting said resin and oxid to heat in the presence of pressure, whereby a resinate is formed which constitues an active binding agent for the fibers.

6. The process of binding. fibers together which consists in mechanically mixing a resin and a metallic oxid, then introducing said mixture between the fibers in dry finely-divided form, and then converting the mixture into a resinate which serves as an active binding agent for the fibers.

7. The process of binding fibers together which consists in mechanically mixing a resin and a metallic oxid, then introducing said mixture between the fibers in dry finely-divided form, then subjecting the mixture to heat, whereby a-resinate is formed which serves as an active binder for the fibers.

8. The process of binding fibers together which consists in mixing a resin and a metallic oxid, then introducing said mixture between the fibers in dry finely-divided'form, then treating the same with heat and with pressure, whereby a resinate is formed which actively binds the fibers together. i

9. The process of binding fibers together which consists in mixing a resin and a metallic oxid, then introducing said mixture between the fibers in dry finely-divided form, then subjecting said mixture to the action of heat in the presence of pressure, whereby a resinate is formed which actively binds the fibers together.

10. The process of binding fibers together which consists in introducing between the fibers a resin and Zinc oxid both in dry finelydivided form, and then converting said mixture into a zinc resinate which activelybinds the fibers together.

11. The process of binding fibers together which consists in introducinga resin and zinc oxid in dry finely-divided form between the fibers and then subjecting the same to the action of heat, whereby a zinc resinate is formed which serves to actively bind the fibers together.

12. The process of binding fibers together which consists in introducing between the fibers a resin and Zinc oxid each in dry finelydivided form, and then subjecting the same to heat and to pressure, whereby a. zinc resinate is formed which serves to actively bind the fibers together.

13. The process of binding fibers together which consists in introducinga resin and Zinc oxid between the fibers each in dry finely-divided form, and then subjecting the same to heat in the presence of pressure, whereby a Zinc resinate is formed which serves to actively bind the fibers together.

14. The process of binding fibers together which consists in mixing a resin and zinc oxid, introducing the same in a dry finely-divided. form between the fibers, and then converting the mixture into zinc resinate, whereby an active binder for the fibers is secured.

15. The process of binding fibers together which consists in mixing a resin and zinc oxid in dry form, then introducing this mixture in a finely-divided form between the fibers, then subjecting the mixture to the action of heat, whereby zinc resinate is formed which serves to actively bind the fibers together.

16. The process of binding fibers together which consists in mixing a resin and Zinc oxid, then introducing the said mixture in dry finelydivided form between the fibers and then treating the same with heat and with pressure, whereby Zinc resinate is formed which serves to actively bind the fibers together.

which consists in introducing between the fibers a resin and a metallic base, and then converting said resin and base into a resinate v binding agent for the fibers.

19. The process of binding fibers together which consists in introducing between the fibers a resin and a metallic base in a dry finelydivid'ed form, and then converting said resin and base into a resinate binding agent for the 20. The process of binding fibers together which consists in introducing a resin and a metallic base in a dry finely-divided form between the fibers, and then treating said resin and base with heat, thereby forming a resinate which actively binds the fibers together.

21. The process of binding fibers together which consists in introducing a resin anda metallic base in dry finely-divided form betwe n the fibers, and then treating said resin and base with heat and with pressure, whereby a resinate is formed which actively binds the fibers together.

22. The process of binding fibers together which consists in introducing a resin and a metallic base in dry finely-divided form between the fibers, and then subjecting said resin and base to heat in the presence of pressure, whereby a resinate is formed which constitutes an active binding agent for the fibers.

23. The process of binding fibers together which consists in mechanically mixing a resin and a metallic base, then introducing said mixture between the fibers in dry finely-divided form, and then converting the mixture into a resinate which'serves as an active binding agent for the fibers.

2d. The process of binding fibers together which consists in mechanically mixing a resin and a metallic base, then introducing said mixture between the fibers in dry finely-db vided form, then subjecting the mixture to heat, whereby a resinate is formed which serves as an active binder for the fibers.

25. The process of binding fibers together which consists in mixing a resin and a metallic base, then introducing said mixture between the fibers in dry finely-divided form,

then treating the same with heatand with pressure, whereby a resinate is formed which actively binds the fibers together.

26. The process of binding fibers together which consists in mixing a resin and a me tallic base, then introducing said mixture between the fibers in dry finely-divided form, i

then subjecting said mixture to the action of heat in the presence of pressure, whereby a resinate is formed which actively binds the fibers together. i

27. The process of binding fibers together which consists in introducing resin and zinc oxid, each in dry finely-divided form, between the fibers and then converting said resin and Zinc oxid into a resinate binding agent.

28. The process of binding fibers together which consists in mixing resin and zinc oxid, introducing said mixture in dry finely-divided form between the fibers and then converting said resin and zinc oxid into a resinate bind- GUSTAV GOLDMAN.

Witnesses:

MANNIE A. RICE, S T. CAMERON. 

